:root {
  --bg: #fafbfc;
  --ink: #0a1629;
  --muted: #5a6c7d;
  --border: #d1d9e0;
  --panel: #ffffff;
  --accent: #0066cc;
  --accent-hover: #0052a3;
  --accent-light: #e6f2ff;
  --success: #00a86b;
  --shadow-sm: 0 1px 3px rgba(10, 22, 41, 0.08);
  --shadow-md: 0 4px 12px rgba(10, 22, 41, 0.12);
  --shadow-lg: 0 8px 24px rgba(10, 22, 41, 0.16);
  --radius: 8px;
  --radius-lg: 12px;
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen", "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue", sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: var(--transition);
}

a:focus,
a:hover {
  color: var(--accent-hover);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

header {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(255, 255, 255, 0.95);
}

.wrapper {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
}

.brand {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 1rem;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  width: 48px;
  height: 48px;
  border: 2px solid var(--accent);
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  background: linear-gradient(135deg, var(--accent-light) 0%, #ffffff 100%);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.logo:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.brand h1 {
  font-size: 1.85rem;
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  line-height: 1.2;
}

.brand p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
}

nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  padding: 0.5rem 0;
  position: relative;
  transition: var(--transition);
}

nav a:hover,
nav a:focus {
  color: var(--accent);
  text-decoration: none;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: var(--transition);
}

nav a:hover::after,
nav a:focus::after {
  width: 100%;
}

main {
  padding: 3rem 0 4rem;
  flex: 1;
}

section {
  margin-bottom: 2.5rem;
}

h2, h3 {
  margin-top: 0;
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

h2 {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
  margin-top: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
}

thead th {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  text-align: left;
  padding: 1rem 1.25rem;
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink);
}

tbody td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

tbody tr {
  transition: var(--transition);
}

tbody tr:hover {
  background: var(--accent-light);
}

tbody tr:last-child td {
  border-bottom: none;
}

.small {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

footer {
  border-top: 1px solid var(--border);
  background: var(--panel);
  padding: 2rem 0;
  margin-top: 4rem;
  box-shadow: 0 -1px 3px rgba(10, 22, 41, 0.05);
}

footer p {
  margin: 0.5rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.list-columns {
  columns: 2 240px;
  column-gap: 2rem;
}

ul {
  line-height: 1.8;
}

ul li {
  margin-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .wrapper {
    padding: 1.25rem 1.5rem;
  }

  nav ul {
    flex-direction: column;
    gap: 0.25rem;
  }

  .brand {
    align-items: flex-start;
    margin-bottom: 1.5rem;
  }

  .brand h1 {
    font-size: 1.5rem;
  }

  .list-columns {
    columns: 1;
  }

  table {
    min-width: 520px;
  }

  .card {
    padding: 1.5rem;
  }

  main {
    padding: 2rem 0 3rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .wrapper {
    padding: 1rem 1.25rem;
  }

  .brand h1 {
    font-size: 1.35rem;
  }

  .logo {
    width: 42px;
    height: 42px;
    font-size: 1rem;
  }
}